A gas expansion shaft connecting structure of a cutting table

Abstract

The utility model discloses a kind of gas expansion axle connecting structures of cutting table, including bottom plate, protective strip and axle body;The surface of the axle body is slidably connected with top rod, the end of the top rod is fixedly connected with gas expansion strip, the number of the gas expansion strip is four, the surface of each gas expansion strip is provided with a plurality of clamping grooves, the inside of the protective strip is provided with clamping groove, the end of the clamping groove is equipped with limit plate, the clamping groove is connected with clamping strip snap connection.The utility model sets detachable protective strip on the surface of gas expansion strip, when cutting roll, it can avoid cutting tool wear, gas expansion axle both ends in the utility model can be supported, to avoid protective film to shake when rotating, improve cutting surface flatness, the utility model can first carry out the fixation of gas expansion axle, then gas expansion axle is connected with cutting table, to improve the concentricity of film roll and gas expansion axle.

Description

Technical Field

[0001] This utility model relates to the field of air shaft technology, specifically to an air shaft connection structure for a cutting table. Background Technology

[0002] Before automated production of protective films, it is necessary to radially cut the entire roll of wide film material according to the width requirements of different film materials to accommodate different specifications. A rotary cutting machine uses blades to cut high-temperature protective films to a fixed length, slitting the entire roll of wide film material into smaller rolls according to a set width. This method is widely used in various industries such as adhesive tape.

[0003] In existing technologies, when slitting protective films, an air shaft is used to fix the film roll inside. The cutter is prone to contacting the air shaft during the cutting process, which leads to cutter wear and affects the cutting accuracy.

[0004] Therefore, it is of great significance to provide a gas-expansion shaft connection structure for the cutting platform to solve the problems existing in the prior art. Utility Model Content

[0005] In view of this, the purpose of this application is to provide an air expansion shaft connection structure for a cutting table, so as to solve the problem in the prior art that when the protective film is cut, the film roll needs to be fixed inside the air expansion shaft, and the cutter is prone to contacting the air expansion shaft during the cutting process, which leads to cutter wear and affects the cutting accuracy.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A pneumatic shaft connection structure for a cutting table includes a base plate, a protective strip, and a shaft body;

[0008] A top rod is slidably connected to the surface of the shaft, and an air expansion bar is fixedly connected to the end of the top rod. There are four air expansion bars, and each air expansion bar has multiple slots on its surface. A retaining strip is provided on the inner side of the protective strip, and a limiting plate is provided at the end of the slot. The slot and the retaining strip are engaged and connected.

[0009] Preferably, the card slot and card strip are both convex in shape, and the protective strip and card slot are made of plastic.

[0010] Preferably, an air bladder is provided inside the shaft, and a spring is fixedly connected to the other end of the push rod. The spring and the inner wall of the shaft are elastically connected by the spring.

[0011] Preferably, a first square plug and a second square plug are fixedly connected to both ends of the shaft, and an air nozzle is provided on the end face of the first square plug, which is in communication with the air bag.

[0012] Preferably, a fixing seat is fixedly connected to one side of the top of the base plate, a motor is mounted on the back of the fixing seat, a transmission seat is driven by the output shaft of the motor, a connecting sleeve is fixedly connected to the front of the transmission seat, and the connecting sleeve is fixedly connected to the second square plug by fixing bolts.

[0013] Preferably, a slide rail is fixedly connected to the other side of the top of the base plate, a movable block is slidably connected to the slide rail, a support wheel is rotatably connected to the top of the movable block, and the first square plug is fixedly connected to the support wheel.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] 1. This utility model has a detachable protective strip on the surface of the air expansion strip, which can prevent the cutter from wearing out during the cutting and rolling process.

[0016] 2. The air shaft in this invention can be supported at both ends, thereby preventing the protective film from shaking when rotating and improving the flatness of the cut surface.

[0017] 3. This utility model can fix the air shaft first, and then connect the air shaft to the cutting table, thereby improving the concentricity of the film roll and the air shaft.

[0018] The above description is only an overview of the technical solution of this application. In order to better understand the technical means of this application and implement it in accordance with the contents of the specification, and to make the above and other objects, features and advantages of this application more obvious and understandable, the preferred embodiments of this application are described in detail below with reference to the accompanying drawings.

[0019] The above and other objects, advantages and features of this application will become more apparent to those skilled in the art from the following detailed description of specific embodiments in conjunction with the accompanying drawings. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. In all drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0021] Figure 1 This is a schematic diagram of the structure of this utility model;

[0022] Figure 2 This is a structural diagram of the air shaft in this utility model;

[0023] Figure 3 This is a structural diagram of the air-expanding strip in this utility model;

[0024] Figure 4 This is a cross-sectional view of the air shaft in this utility model.

[0025] In the diagram: 1. Base plate; 2. Air expansion bar; 3. Movable block; 4. Slide rail; 5. Motor; 6. Shaft; 7. Protective strip; 8. Fixed base; 9. Second square plug; 10. Transmission base; 11. Connecting sleeve; 12. Limiting plate; 13. Slot; 14. Locking strip; 15. Locking strip; 16. Top block; 17. Spring; 18. Top rod; 19. Airbag; 20. Air nozzle; 21. First square plug. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. In the following description, specific details such as specific configurations and components are provided merely to help fully understand the embodiments of this application. Therefore, those skilled in the art should understand that various changes and modifications can be made to the embodiments described herein without departing from the scope and spirit of this application. In addition, for clarity and brevity, descriptions of known functions and structures are omitted in the embodiments.

[0027] Furthermore, reference numerals and / or letters may be repeated in different examples within this application. Such repetition is for the purpose of simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or settings discussed.

[0028] In this article, the term "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can mean: A exists alone, B exists alone, and A and B exist simultaneously. The term " / and" in this article describes another type of relationship between related objects, indicating that two relationships can exist. For example, A / and B can mean: A exists alone, and A and B exist alone. In addition, the character " / " in this article generally indicates that the related objects before and after it are in an "or" relationship.

[0029] It should also be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion.

[0030] Please see Figure 1-4The present invention provides a technical solution for a gas expansion shaft connection structure of a cutting table: including a base plate 1, a protective strip 7 and a shaft 6;

[0031] A push rod 18 is slidably connected to the surface of the shaft 6. An air expansion bar 2 is fixedly connected to the end of the push rod 18. There are four air expansion bars 2. The air expansion bars 2 are made of metal. Each air expansion bar 2 has three slots 13 on its surface. A retaining strip 14 is provided on the inner side of the protective strip 7. A limiting plate 12 is provided at the end of the air expansion bar 2. The slots 13 and retaining strips 14 are engaged and connected.

[0032] Both the slot 13 and the clip 14 are convex in shape, with a large contact area, preventing the protective strip 7 from breaking from the air expansion strip 2. The protective strip 7 is not easily deformed. It is connected by the slot 13 and the clip 14, eliminating the need for bolts and preventing damage to the blade. The protective strip 7 and the slot 13 are made of plastic, which can be PP or PE. Plastic has good anti-slip properties. Using the protective strip 7 can prevent the cutter from contacting the air expansion shaft, thus preventing cutter wear. Furthermore, the protective strip 7 is replaceable, making it more economical and durable.

[0033] An air bladder 19 is installed inside the shaft body 6, and a spring 17 is fixedly connected to the other end of the push rod 18. The spring 17 and the inner wall of the shaft body 6 are elastically connected by the spring 17. After the air bladder 19 is deflated, the push rod 18 can be reset, thus making it easy to remove the air-expanding shaft.

[0034] The two ends of the shaft 6 are respectively fixedly connected to a first square plug 21 and a second square plug 9. The end face of the first square plug 21 is provided with an air nozzle 20, which is connected to the airbag 19 and is used to inflate the airbag 19.

[0035] A fixed base 8 is fixedly connected to one side of the top of the base plate 1. A motor 5 is installed on the back of the fixed base 8. The output shaft of the motor 5 is connected to a transmission base 10. A connecting sleeve 11 is fixedly connected to the front of the transmission base 10. The connecting sleeve 11 is fixedly connected to the second square plug 9 by a fixing bolt.

[0036] A slide rail 4 is fixedly connected to the other side of the top of the base plate 1. A movable block 3 is slidably connected to the slide rail 4. A support wheel 15 is rotatably connected to the top of the movable block 3. The first square plug 21 is fixedly connected to the support wheel 15.

[0037] In practical use, when winding the film, the air shaft is first passed through the film roll, and then air is injected into the air bladder 19 of the air shaft through the air nozzle 20. Then, the second square plug 21 of the air shaft is inserted into the connecting sleeve 11 using hoisting equipment such as a forklift and fixed with bolts. Then, the movable block 3 is brought close to the first square plug 9 of the air shaft and fixed. When cutting the film, the motor 5 is started. The motor 5 drives the film roll to rotate through the air shaft, which can cut the film roll while the film roll is rotating. Since the film roll and the air shaft are fixed on the ground, the concentricity of the air shaft and the film roll is maintained. Both ends of the air shaft are supported, which improves the stability of the air shaft during rotation and makes the cut surface smoother.

[0038] The above description is merely a preferred embodiment of this utility model and does not limit the scope of protection of this utility model. For those skilled in the art, this utility model can have various modifications and variations. Any changes, modifications, substitutions, integrations, and parameter alterations made to these embodiments within the spirit and principles of this utility model, through conventional substitutions or methods that achieve the same function without departing from the principles and spirit of this utility model, fall within the scope of protection of this utility model.

Claims

1. A gas-expanding shaft connection structure for a cutting table, characterized in that: It includes a base plate (1), a protective strip (7), and a shaft (6); A push rod (18) is slidably connected to the surface of the shaft (6). An air expansion bar (2) is fixedly connected to the end of the push rod (18). There are four air expansion bars (2). Multiple slots (13) are opened on the surface of each air expansion bar (2). A retaining strip (14) is provided on the inner side of the protective strip (7). A limiting plate (12) is provided at the end of the slot (13). The slot (13) and the retaining strip (14) are engaged and connected.

2. The air shaft connection structure for a cutting table as described in claim 1, characterized in that: The card slot (13) and card strip (14) are both convex in shape, and the protective strip (7) and card slot (13) are made of plastic.

3. The air shaft connection structure for a cutting table as described in claim 2, characterized in that: An air bladder (19) is provided inside the shaft (6), and a spring (17) is fixedly connected to the other end of the top rod (18). The spring (17) and the inner wall of the shaft (6) are elastically connected by the spring (17).

4. The air shaft connection structure for a cutting table as described in claim 3, characterized in that: The two ends of the shaft (6) are respectively fixedly connected to a first square plug (21) and a second square plug (9). The end face of the first square plug (21) is provided with an air nozzle (20), which is connected to the air bag (19).

5. The air shaft connection structure for a cutting table as described in claim 3, characterized in that: A fixed base (8) is fixedly connected to one side of the top of the base plate (1). A motor (5) is installed on the back of the fixed base (8). The output shaft of the motor (5) is connected to a transmission base (10). A connecting sleeve (11) is fixedly connected to the front of the transmission base (10). The connecting sleeve (11) is fixedly connected to the second square plug (9) by a fixing bolt.

6. The air shaft connection structure for a cutting table as described in claim 4, characterized in that: A slide rail (4) is fixedly connected to the other side of the top of the base plate (1). A movable block (3) is slidably connected to the slide rail (4). A support wheel (15) is rotatably connected to the top of the movable block (3). The first square plug (21) is fixedly connected to the support wheel (15).

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